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问题 选择题

东北三省是指（     ）

A．河北、山东、湖北

B．湖北、广西、山东

C．黑龙江、吉林、辽宁

D．吉林、辽宁、内蒙古

答案

答案：C

题目分析：东北三省包括黑龙江省、辽宁省和吉林省，简称分别是黑、辽、吉，故C符合题意．

单项选择题

For users, microkernel technology promises (90) , compact and sophisticated operating systems that are typically (91) across a range of hardware platforms. These operating systems will be customizable to let users run multiple operating system and application "personalities" on top of a single microkernel (92) .

Microkernel based systems can provide this flexibility because the core operating system functions are (93) from the large number of utilities, features and extensions that are layered on top of them. As a result, updating and maintaining operating system is easier, since developers don’t have to modify the (94) every time they must acid a new feature.

（92）是（）

A.bases

B.foundations

C.systems

D.foundation
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判断题

一个数除以0.001后，这个数就扩大了1000倍。[ ]
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